<template>
  <div class="name">name2:{{name}}</div>
</template>
<script>
export default {
  data() {
    return { name: 'Tom' }
  },
  mounted(){
    console.log(process.env.NODE_ENV)
  }
}
</script>
<style lang="less">
.name {
  color: blue;
}
</style>